Qt配置Opencv

准备工作：

1. Qt
2. opencv（编译过的）

首先创建一个基本的项目，然后我们会发现有Pro文件，这个Pro文件我们可以发现，它里面包含了我们有那些文件，ui，等等。所以我们可以理解为一个配置文件，也就是config文件。
然后我们在pro文件的最下面加上我们的opencv编译的文件的路径。

INCLUDEPATH += D:\opencv450\opencv\build\include
INCLUDEPATH += D:\opencv450\opencv\build\include\opencv2
INCLUDEPATH += D:\opencv450\opencv\build\bin
INCLUDEPATH += D:\opencv450\opencv\newbuild\install\include
LIBS += -LD:\opencv450\opencv\newbuild\install\x64\mingw\bin\
        -llibopencv_calib3d450 \
        -llibopencv_core450 \
        -llibopencv_dnn450 \
        -llibopencv_features2d450 \
        -llibopencv_flann450 \
        -llibopencv_gapi450 \
        -llibopencv_highgui450 \
        -llibopencv_imgcodecs450 \
        -llibopencv_imgproc450 \
        -llibopencv_ml450 \
        -llibopencv_objdetect450 \
        -llibopencv_photo450 \
        -llibopencv_stitching450 \
        -llibopencv_video450 \
        -llibopencv_videoio450 \
        #-opencv_videoio_ffmpeg.dll \